what.cd user script: Add button for each search field in toolbar

add_search_button.user.js

// ==UserScript==
// @name Add button for each search field in toolbar
// @namespace tobbez
// @include http*://*what.cd*
// ==/UserScript==

var sb = document.getElementById('searchbars');
var forms = sb.getElementsByTagName('form');

for (var i = 0; i < forms.length; ++i) {
    var e = document.createElement('input');
    e.type = 'submit';
    e.value = 'Search';
    forms[i].appendChild(e);
}